[v3,2/2] Test GDB connection to GDBserver with no symbol files

Message ID	1460562803-10817-3-git-send-email-lgustavo@codesourcery.com
State	New
Headers	show Received: (qmail 43779 invoked by alias); 13 Apr 2016 15:53:46 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk Sender: gdb-patches-owner@sourceware.org From: Luis Machado <lgustavo@codesourcery.com> To: <gdb-patches@sourceware.org> Subject: [PATCH v3 2/2] Test GDB connection to GDBserver with no symbol files Date: Wed, 13 Apr 2016 10:53:23 -0500 Message-ID: <1460562803-10817-3-git-send-email-lgustavo@codesourcery.com> In-Reply-To: <1460562803-10817-1-git-send-email-lgustavo@codesourcery.com> References: <1460562803-10817-1-git-send-email-lgustavo@codesourcery.com> MIME-Version: 1.0 Content-Type: text/plain

diff --git a/gdb/testsuite/gdb.server/connect-with-no-symbol-file.c b/gdb/testsuite/gdb.server/connect-with-no-symbol-file.c new file mode 100644 index 0000000..bb11da2 --- /dev/null +++ b/gdb/testsuite/gdb.server/connect-with-no-symbol-file.c @@ -0,0 +1,22 @@ +/* This testcase is part of GDB, the GNU debugger. + + Copyright 2016 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +int +main (int argc, char **argv) +{ + return 0; +} diff --git a/gdb/testsuite/gdb.server/connect-with-no-symbol-file.exp b/gdb/testsuite/gdb.server/connect-with-no-symbol-file.exp new file mode 100644 index 0000000..f99e1af --- /dev/null +++ b/gdb/testsuite/gdb.server/connect-with-no-symbol-file.exp @@ -0,0 +1,97 @@ +# This testcase is part of GDB, the GNU debugger. + +# Copyright 2016 Free Software Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +# Test GDB's ability to properly connect to GDBserver with no pre-opened +# symbol file. If GDB is buggy, it will drop the connection when +# it attempts to open the symbol file indicated by GDBserver and fails. +# +# This test is only meaningful for standard remote connections. + +load_lib gdbserver-support.exp + +standard_testfile + +if { [skip_gdbserver_tests] } { + return 0 +} + +if { [prepare_for_testing $testfile.exp $testfile $srcfile debug] } { + return -1 +} + +# Test connecting GDB to GDBserver without loading a symbol file. +# +# SYSROOT is the desired sysroot string +# +# ACTION is the action to perform to the symbol file on the target. +# It can be either "permission" to deny access to the file or "delete" +# to remove the file. +# +proc connect_no_symbol_file { sysroot action } { + global binfile + + with_test_prefix "setup" { + # Copy the symbol file to the target. + gdb_remote_download target $binfile.bak $binfile + + # Make sure we're disconnected, in case we're testing with an + # extended-remote board, therefore already connected. + gdb_test "disconnect" ".*" "disconnect" + + # Discard any symbol files that we have opened. + gdb_test "file" ".*" "discard symbol table" \ + {Discard symbol table from `.*'\? $y or n$ } "y" + + # Set sysroot to something non-target and possibly also invalid so that + # GDB is unable to open the symbol file. + gdb_test_no_output "set sysroot $sysroot" "adjust sysroot" + + set target_exec [gdbserver_download_current_prog] + + # Start GDBserver. + set res [gdbserver_start "" $target_exec] + + set gdbserver_protocol [lindex $res 0] + set gdbserver_gdbport [lindex $res 1] + + # Perform test actions to the symbol file on the target. + if { $action == "delete" } then { + remote_file target delete $binfile + } elseif { $action == "permission" } { + remote_spawn target "chmod 000 $binfile" + } + + # Connect to GDBserver. + gdb_target_cmd $gdbserver_protocol $gdbserver_gdbport + } + + # Check if GDB succeeded connecting to GDBserver by attempting to detach + # from the process. + gdb_test "detach" \ + ".*Detaching from program: , process.*Ending remote debugging.*" \ + "connection to GDBserver succeeded" +} + +# Make sure we have the original symbol file in a safe place to copy from. +gdb_remote_download host $binfile $binfile.bak + +# Run the test with different permutations. +foreach_with_prefix sysroot {"" "target:"} { + foreach_with_prefix action {"permission" "delete"} { + connect_no_symbol_file $sysroot $action + } +}

[v3,2/2] Test GDB connection to GDBserver with no symbol files

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